@keyframes wave {
    0% {
        transform: scale(1);
        opacity: 0.7;
    }
    50% {
        transform: scale(1.5);
        opacity: 0.4;
    }
    100% {
        transform: scale(2);
        opacity: 0;
    }
}

.animate-wave {
    animation: wave 1.5s infinite;
}